obj += 01username
obj += 02chkpass
obj += 03timelog
obj += 04_100day

CFLAGS += -Wall 
CFLAGS += -D_FILE_OFFSET_BITS=64

LDFLAGS += -lcrypt

all: 
	for i in $(obj);do\
		gcc $$i.c $(CFLAGS) $(LDFLAGS) -o $$i;\
	done
clean:
	rm $(obj)
